Resposta :
Resposta:
A)
[tex]\left[\begin{array}{ccc}2&1&3\\\end{array}\right] =\\\left[\begin{array}{c}2\\1\\3\end{array}\right][/tex]
B)
[tex]\left[\begin{array}{cc}4&-v7\end{array}\right] = \\\left[\begin{array}{c}4&-v7\end{array}\right][/tex]
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